13
0
livetrax/libs/pbd/id.cc

112 lines
1.9 KiB
C++
Raw Normal View History

/*
Copyright (C) 2000-2007 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <ostream>
#include <stdio.h>
#include "pbd/id.h"
#include "pbd/string_convert.h"
#include <string>
using namespace std;
using namespace PBD;
Glib::Threads::Mutex* ID::counter_lock = 0;
uint64_t ID::_counter = 0;
void
ID::init ()
{
if (!counter_lock) {
counter_lock = new Glib::Threads::Mutex;
}
}
ID::ID ()
{
reset ();
}
ID::ID (const ID& other)
{
_id = other._id;
}
ID::ID (string str)
{
/* danger, will robinson: could result in non-unique ID */
string_assign (str);
}
ID::ID (uint64_t n)
{
/* danger, will robinson: could result in non-unique ID */
_id = n;
}
void
ID::reset ()
{
Glib::Threads::Mutex::Lock lm (*counter_lock);
_id = ++_counter;
2015-10-05 10:17:49 -04:00
}
bool
ID::string_assign (string str)
{
return string_to_uint64 (str, _id);
}
std::string
ID::to_s () const
{
return to_string (_id);
}
bool
ID::operator== (const string& str) const
{
return to_string (_id) == str;
}
ID&
ID::operator= (string str)
{
string_assign (str);
return *this;
}
ID&
ID::operator= (const ID& other)
{
if (&other != this) {
_id = other._id;
}
return *this;
}
ostream&
operator<< (ostream& ostr, const ID& id)
{
ostr << id.to_s();
return ostr;
}